| 摘要 |
PROBLEM TO BE SOLVED: To obtain a DBF signal process device and the like that is excellent in a capability to deal with an abnormal circumstance such as a trouble.SOLUTION: The DBF signal process device is configured to comprise: an array antenna (10) that is composed of a plurality of element antennas; reception means (2) is provided at each of the plurality of element antennas and converts a reception signal into a digital signal; matrix calculation means (5) that calculates a covariance matrix from the digital signal from the reception signal, calculates an inverse matrix of the covariance matrix, then eliminates an unnecessary signal from the digital signal by the inverse matrix and generates and outputs a new signal; beam formation means (6) that performs a beam formation from the signal output by the matrix calculation means; abnormality detection means (3) that detects and determines an abnormal state from a signal from an inside of the DBF signal process device or an external, or a process state of the respective means above; and matrix control means (4) that performs a control instruction of a matrix calculation in the matrix calculation means on the basis of the abnormal state detected by the abnormality detection means. |
